Copy letter from Robert William Frederick Harrison, to Professor Ernest William MacBride, [Fellow of the Royal Society], Zoological Laboratory, McGill University, Montreal, Canada The corrected proofs of MacBride's manuscript, plates and woodcuts were safely received on 15 November, but the original manuscript, plates et cetera were not returned. As the lithographer may require the original plates, Harrison asks that MacBride return them. 17 November 1902